| Pin Number | Pin Name | Description / Signal | | :--- | :--- | :--- | | 1 | CH1 INPUT | Channel 1 Audio Signal Input | | 2 | GND | Ground | | 3 | CH1 NF | Channel 1 Negative Feedback | | 4 | GND | Ground | | 5 | CH2 NF | Channel 2 Negative Feedback | | 6 | GND | Ground | | 7 | CH2 INPUT | Channel 2 Audio Signal Input | | 8 | GND | Ground | | 9 | CH1 BOOTSTRAP | Channel 1 Bootstrap | | 10 | VCC HIGH | High Positive Supply Voltage | | 11 | CH1 OUTPUT | Channel 1 Amplified Audio Output | | 12 | GND | Ground | | 13 | VEE HIGH | High Negative Supply Voltage | | 14 | GND | Ground | | 15 | CH2 OUTPUT | Channel 2 Amplified Audio Output | | 16 | GND | Ground | | 17 | VCC LOW | Low Positive Supply Voltage | | 18 | VEE LOW | Low Negative Supply Voltage |
It is pin-compatible with the three-channel STK413 series, meaning one board design can serve multiple amp models. Modular Upgrades: If your current system feels a bit "thin," the STK412-530 is a popular upgrade path for modules like the STK412-090 STK412-150 Go to product viewer dialog for this item. 3. Built Like a Tank stk412530 datasheet
: Given its high power output, the IC must be mounted to a substantial heat sink. Users should monitor temperatures during operation to ensure long-term reliability. Resources & Documentation | Pin Number | Pin Name | Description
Ready to start building? You can find original or replacement modules at retailers like: STK412-530 Built Like a Tank : Given its high
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The remains highly sought after because:
The STK412-530 is housed in an 18-pin SIP (Single Inline Package) or SIP-ZIP form factor with an integrated heatsink tab, typical for high-power audio ICs. This package makes it relatively easy to mount onto a PCB alongside a large external heatsink.